Carbon--carbon composites containing poorly graphitizing pitch a

Details Carbon--carbon composites containing poorly graphitizing pitch a Carbon--carbon composites containing poorly graphitizing pitch a

1995-01-24

1997-11-18

Lovering, Richard D.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coated or impregnated inorganic fiber fabric

208 44, 264 291, 264 293, 264105, 428408, B32B 900, B32B 3120, B32B 3126, C04B 35532

Patent

active

056881550

ABSTRACT:
A unitary composite structure having improved flexural strength and a reduced coefficient of thermal expansion comprising a heterogeneous combination of a carbonaceous reinforcing material interbonded with a matrix material, wherein the said matrix material is a poorly graphitizing carbonaceous pitch containing polymerized and cross-linked aromatic components is disclosed. Graphite electrodes comprised of the poorly graphitized pitch matrix material acting as a binder and/or an impregnant are also disclosed. Processes for the preparation of the poorly graphitizing pitch, the composite structure, and particularly the graphite electrodes are disclosed as well.

REFERENCES:
patent: 2527596 (1950-10-01), Shea, Jr. et al.
patent: 3004862 (1961-10-01), Winslow
patent: 3092437 (1963-06-01), Carter et al.
patent: 3280042 (1966-10-01), Bannikov
patent: 3505090 (1970-04-01), Pinchbeck
patent: 4066737 (1978-01-01), Romovacek
patent: 4188279 (1980-02-01), Yan
patent: 5413738 (1995-05-01), Lewis et al.
Chemical Changes During the Mild Air Oxidation of Pitch, J.B. Barr and I.C. Lewis, Carbon vol. 16, pp. 439-444 (1978).
Chemistry of Carbonization, I.C. Lewis, Carbon vol. 20, No. 6, pp. 519-529 (1982).
Review--Science and Technology of Graphite Manufacture, S. Ragan and H. Marsh, Journal of Materials Science, pp. 3161-3176 (1983).

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